CN216981476U - Connecting fitting for replacing ground wire of power transmission line - Google Patents
Connecting fitting for replacing ground wire of power transmission line Download PDFInfo
- Publication number
- CN216981476U CN216981476U CN202220506770.3U CN202220506770U CN216981476U CN 216981476 U CN216981476 U CN 216981476U CN 202220506770 U CN202220506770 U CN 202220506770U CN 216981476 U CN216981476 U CN 216981476U
- Authority
- CN
- China
- Prior art keywords
- fitting
- cladding
- transmission line
- piece
- ground wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The utility model discloses a connecting fitting for replacing a conductive ground wire of a power transmission line, which comprises the connecting fitting and a cladding piece, wherein: the middle area of the cladding piece is bent to form a connecting part, the cladding piece is sleeved in the connecting hardware fitting through the connecting part, the cladding piece extends spirally from two ends of the connecting part towards the tail end and is provided with a winding part, the winding parts extending from two ends of the connecting part are connected in a screwing manner, and a cladding part is formed at the screwed position; the connecting hardware fitting is provided with an opening end and a closing end, the connecting part is positioned at the position of the closing end of the connecting hardware fitting, and a connecting piece for limiting is arranged on the opening end of the connecting hardware fitting; through the design of the utility model, the connection mode of the existing snake leather sheath is replaced to form a full-coating structure, meanwhile, diamond sand blasting is arranged on the inner surface of the full-coating structure, which is in contact with the cable, so that friction can be increased, and the contact surface of the designed connection hardware fitting and the coating structure is converted into surface contact from the existing point contact.
Description
Technical Field
The utility model belongs to the technical field of power transmission lines, and particularly relates to a connecting hardware fitting for replacing a ground wire of a power transmission line.
Background
The transmission line is used for the electric wire of transmission circuit, because the transmission line is often used for high altitude and the regional use of large-span, consequently needs to use the snakeskin cover parcel to promote the protective capacities in the transmission line outside.
The snakeskin cover of the outside parcel of current power transmission line is limited with the area of contact on cable surface, and the cable drops from the snakeskin cover easily, and link fitting and snakeskin cover area of contact are less easy wearing and tearing fracture simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a connecting fitting for replacing a ground wire of a power transmission line, and aims to solve the problems that a snake leather sheath provided in the background art is small in contact area with the surface of a cable, and the cable is easy to fall.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a link fitting for transmission line leads ground wire to change, includes link fitting and cladding piece, wherein:
the middle area of the cladding piece is bent to form a connecting part, the cladding piece is sleeved in the connecting hardware fitting through the connecting part, the cladding piece extends spirally from two ends of the connecting part towards the tail end and is provided with a winding part, the winding parts extending from two ends of the connecting part are connected in a twisting manner, and the wrapping part is formed at the position where the winding parts are twisted;
the link fitting has open end and closed end, connecting portion are in the position department of link fitting closed end, set up on the link fitting open end by being used for spacing connecting piece.
Preferably, the two winding parts are arranged in a spiral shape in an opposite manner, and the spiral rotation angles and the spiral pitches of the two winding parts are equal.
Preferably, the closed end of the link fitting is of an arc-shaped structure and is attached to the inner side of the connecting portion.
Preferably, a cable is further arranged inside the covering piece, and the covering part is wound and covered outside the cable.
Preferably, the connecting piece is connected with the connecting hardware fitting in a penetrating manner, the connecting piece is composed of a limiting bolt and a threaded sleeve, the threaded sleeve is welded on the bottom end face of the limiting bolt, a fastening nut is screwed outside the threaded sleeve, a through hole is formed in the bottom end face of the threaded sleeve, and an oil guide hole penetrating through the inner wall of the through hole to the outer surface of the threaded sleeve is formed in the inner wall of the through hole.
Preferably, the oil guide hole is arranged in an inclined manner, the bottom end of the oil guide hole faces the bottom end direction of the threaded sleeve, and the top end face of the threaded sleeve and the outer surface of the connecting hardware fitting are located on the same plane.
Compared with the prior art, the utility model has the beneficial effects that:
1. through the design of the utility model, the connection mode of the existing snake leather sheath is replaced to form a full-coating structure, meanwhile, diamond sand blasting is arranged on the inner surface of the full-coating structure, which is in contact with the cable, so that friction can be increased, and the contact surface of the designed connection hardware fitting and the coating structure is converted into surface contact from the existing point contact;
2. through the swivel nut of design, lead the oilhole, can be when nut and swivel nut rust because of the rainwater and cause the dead condition of lock, lubricate that can be quick to convenient later stage is dismantled, also avoids present taking place the back in the dead condition of lock, leads to the condition of the disconnected tooth of junction to appear through the separation hard to take place.
Drawings
FIG. 1 is a schematic structural view of the present invention in an unused state;
FIG. 2 is a schematic view of the present invention in a state where the bent portions are twisted;
FIG. 3 is a cross-sectional view of the connection between the limit bolt and the link fitting according to the present invention;
fig. 4 is a schematic structural view of the screw insert of the present invention.
In the figure: 1. a limit bolt; 2. connecting a hardware fitting; 3. a connecting portion; 4. a winding section; 5. a covering part; 6. fastening a nut; 7. an oil guide hole; 8. a threaded sleeve; 9. and a through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a link fitting for replacement of a ground wire of a power transmission line, which comprises a link fitting 2 and a cladding piece, wherein the design of the utility model replaces the connection mode of the prior snake leather sheath to form a fully-cladded structure, meanwhile, diamond sand blasting is arranged on the inner surface of the fully-cladded structure, which is in contact with a cable, so that friction can be increased, the contact surface of the designed link fitting 2 and the cladding structure is converted into surface contact by the prior point contact, wherein:
a connecting part 3 is formed in the middle area of the cladding piece through bending, the cladding piece is sleeved inside the connecting hardware fitting 2 through the connecting part 3, the cladding piece extends towards the tail end from two ends of the connecting part 3 in a spiral mode and is provided with a winding part 4, the winding parts 4 extending from two ends of the connecting part 3 are connected in a screwing mode, and a cladding part 5 is formed at the position where the winding parts are screwed;
the link fitting 2 has an open end and a closed end, the connecting portion 3 is located at the position of the closed end of the link fitting 2, and a connecting member for limiting is arranged on the open end of the link fitting 2.
In this embodiment, preferably, the two winding portions 4 are disposed in a spiral shape and are opposite to each other, so as to facilitate the later screwing, and the spiral rotation angles and the spiral pitches of the two winding portions 4 are equal.
In this embodiment, preferably, the closed end of the link fitting 2 is of an arc-shaped structure, which can increase the contact area with the connecting portion 3 and is attached to the inner side of the connecting portion 3.
In this embodiment, preferably, a cable is further provided inside the covering member, and the covering portion 5 is wound around the outside of the cable.
In this embodiment, it is preferred, connecting piece and link fitting 2 through connection, wherein the connecting piece comprises limit bolt 1 and swivel nut 8, swivel nut 8 welds on limit bolt 1's bottom face, fastening nut 6 has still closed soon in the outside of swivel nut 8, the swivel nut 8 of design, lead oilhole 7, can be at fastening nut 6 and swivel nut 8 when leading to the dead condition of lock because of the rainwater rusts, can lubricate by the line that can be quick, thereby make things convenient for later stage dismantlement, also avoid having now after the dead condition of lock takes place, through separating the condition emergence that leads to the junction to appear disconnected tooth hard with exerting oneself, through-hole 9 has been seted up on the bottom face of swivel nut 8, the oilhole 7 that leads to the outer surface of swivel nut 8 is seted up to the inner wall of through-hole 9.
In this embodiment, preferably, the oil guide hole 7 is disposed in an inclined manner, and the bottom end of the oil guide hole 7 faces the bottom end of the threaded sleeve 8, so as to facilitate flowing out of the lubricating oil, and the top end surface of the threaded sleeve 8 and the outer surface of the link fitting 2 are located on the same plane.
The working principle and the using process of the utility model are as follows: when the cable protection device is used, the covering part is installed according to the placement shown in fig. 1, then a cable needing protection is placed on the inner side of the winding part 4 on the covering part, then the tail end of the covering part is screwed, so that the two winding parts 4 are spirally wound on the cable in all directions, and the purposes of staggering and full coverage can be formed on the cable due to the fact that the spiral directions of the two winding parts 4 are oppositely arranged and the covering part 5 is formed, namely the state shown in fig. 2; after the connection is finished, the bottom end of the limiting bolt 1 is welded with the threaded sleeve 8, then the limiting bolt 1 and the threaded sleeve 8 penetrate through the opening end part of the connecting hardware fitting 2, and the fastening nut 6 is screwed on the threaded sleeve 8 for limiting installation, because the device is frequently used and outdoors, the connection part of the fastening nut 6 and the threaded sleeve 8 is difficult to open due to rusting caused by water vapor, at the moment, lubricating oil can be injected from the inside of the through hole 9 through an injector and flows into the outside of the threaded sleeve 8 through the oil guide hole 7, so that the lubricating oil is injected between the fastening nut 6 and the threaded sleeve 8, the friction force is reduced through the lubricating oil, the purpose of convenient opening is realized, wherein the connecting hardware fitting 2 is used for assembling suspension insulators into a string and hanging on a tower, a suspension clamp for a linear tower and a tension-resistant wire for a non-linear tower are connected with an insulator string and also assembled together by the connecting hardware fitting 2, other anchor of the stay wire hardware tower such as the stay wire tower also uses the connecting hardware 2.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a link fitting for transmission line leads ground wire to change which characterized in that: the connecting hardware fitting comprises a connecting hardware fitting (2) and a cladding piece, wherein:
a connecting part (3) is formed in the middle area of the cladding piece through bending, the cladding piece is sleeved inside the connecting hardware fitting (2) through the connecting part (3), the cladding piece extends towards the tail end from two ends of the connecting part (3) in a spiral mode and is provided with a winding part (4), the winding parts (4) extending from two ends of the connecting part (3) are connected in a twisting mode, and a cladding part (5) is formed at the position where the winding parts are connected in a twisting mode;
the link fitting (2) has open end and closed end, connecting portion (3) are in link fitting (2) closed end's position department, set up on link fitting (2) open end by being used for spacing connecting piece.
2. The connecting fitting for replacing the ground wire of the power transmission line according to claim 1, characterized in that: two winding part (4) heliciform is relative setting, and two winding part (4) heliciform rotation angle and pitch are equal.
3. The connecting fitting for replacing the ground wire of the power transmission line according to claim 1, characterized in that: the closed end of the connecting hardware fitting (2) is of an arc-shaped structure and is attached to the inner side of the connecting part (3).
4. The connecting fitting for replacing the ground wire of the power transmission line according to claim 1, characterized in that: the inside of cladding piece still is provided with the cable, cladding portion (5) winding cladding is in the outside of cable.
5. The connecting fitting for replacing the ground wire of the power transmission line according to claim 1, characterized in that: the connecting piece and link fitting (2) through connection, wherein the connecting piece comprises spacing bolt (1) and swivel nut (8), swivel nut (8) welding is on the bottom face of spacing bolt (1) the outside of swivel nut (8) has still closed fastening nut (6) through-hole (9) have been seted up on the bottom face of swivel nut (8), oil guide hole (7) that run through to swivel nut (8) surface are seted up to the inner wall of through-hole (9).
6. The connecting fitting for replacing the ground wire of the power transmission line according to claim 5, characterized in that: the oil guide hole (7) is obliquely arranged, the bottom end of the oil guide hole (7) faces the bottom end direction of the threaded sleeve (8), and the top end face of the threaded sleeve (8) and the outer surface of the connecting hardware fitting (2) are located on the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220506770.3U CN216981476U (en) | 2022-03-10 | 2022-03-10 | Connecting fitting for replacing ground wire of power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220506770.3U CN216981476U (en) | 2022-03-10 | 2022-03-10 | Connecting fitting for replacing ground wire of power transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216981476U true CN216981476U (en) | 2022-07-15 |
Family
ID=82359278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220506770.3U Active CN216981476U (en) | 2022-03-10 | 2022-03-10 | Connecting fitting for replacing ground wire of power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216981476U (en) |
-
2022
- 2022-03-10 CN CN202220506770.3U patent/CN216981476U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216981476U (en) | Connecting fitting for replacing ground wire of power transmission line | |
| CN203674668U (en) | Preformed wire clamp damper | |
| CN201018245Y (en) | Anti-vibration whip for overhead cable | |
| CN205863858U (en) | Carbon fiber complex core strain clamp | |
| CN215870630U (en) | Power distribution junction box | |
| CN214506525U (en) | Splicing sleeve protection device of carbon fiber composite core wire | |
| CN213816448U (en) | Built-in bolt type aluminum conductor connector | |
| CN202308982U (en) | Tension wire clamp used for optical phase conductor | |
| CN201576911U (en) | Seamless alloy electric wire bushing | |
| CN201444563U (en) | Pre-twisted wire type anti-vibration hammer | |
| CN212507672U (en) | Composite insulation cross arm for power distribution | |
| CN210404664U (en) | Pre-twisted damping wire clamp | |
| CN202503247U (en) | Auxiliary terminal hardware fitting for carbon-fiber photoelectric composite lead wire | |
| CN209358206U (en) | A kind of preformed carrying out safety backup wire clamp mounting structure of conducting wire pendency | |
| CN207677101U (en) | A kind of lightning protection downlead | |
| CN102364792A (en) | Strain hardware fitting for optical fiber composite overhead phase wire | |
| CN219677695U (en) | Copper-clad steel round wire | |
| CN206820423U (en) | A kind of bracing wire wedge clamp | |
| CN216958528U (en) | Wire connecting device | |
| CN201853546U (en) | Composite self-locking stay insulator | |
| CN206908243U (en) | Aluminum stranded wire of aluminum alloy core assembled strain clamp | |
| CN205051295U (en) | Compound enhancement core overhead insulated cable of carbon fiber steel anchor pull ring for gold utensil | |
| CN210531071U (en) | Lightning-protection bolt for fan blade | |
| CN221947572U (en) | Splicing fitting | |
| RU2383979C1 (en) | Anchor ear for optical cable of "eight" type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |